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| author | Andrzej Hajda <a.hajda@samsung.com> | 2017-02-01 08:47:43 +0100 |
|---|---|---|
| committer | Archit Taneja <architt@codeaurora.org> | 2017-02-02 15:15:27 +0530 |
| commit | 4dc3c0712720ca70b0563b4b64cf14175a96ef8c (patch) | |
| tree | 84619436161671019db0468f62d39c182824671c /drivers/gpu/drm | |
| parent | 6bed9bc2ae483c5e8a7743515b63653eaad829c6 (diff) | |
| download | blackbird-op-linux-4dc3c0712720ca70b0563b4b64cf14175a96ef8c.tar.gz blackbird-op-linux-4dc3c0712720ca70b0563b4b64cf14175a96ef8c.zip | |
drm/bridge/sii8620: add delay during cbus reset
Without delay CBUS sometimes was not reset properly.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-17-git-send-email-a.hajda@samsung.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/bridge/sil-sii8620.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index a27ce5493323..1be9c89290c4 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -892,11 +892,10 @@ static void sii8620_hw_reset(struct sii8620 *ctx) static void sii8620_cbus_reset(struct sii8620 *ctx) { - sii8620_write_seq_static(ctx, - REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST - | BIT_PWD_SRST_CBUS_RST_SW_EN, - REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN - ); + sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST + | BIT_PWD_SRST_CBUS_RST_SW_EN); + usleep_range(10000, 20000); + sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN); } static void sii8620_set_auto_zone(struct sii8620 *ctx) |
